90436542983 has 8 divisors (see below), whose sum is σ = 91864141680. Its totient is φ = 89011232640.

The previous prime is 90436542923. The next prime is 90436542991. The reversal of 90436542983 is 38924563409.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90436542983 - 2⁶ = 90436542919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90436542923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492338 + ... + 650591.

It is an arithmetic number, because the mean of its divisors is an integer number (11483017710).

Almost surely, 2^90436542983 is an apocalyptic number.

90436542983 is a deficient number, since it is larger than the sum of its proper divisors (1427598697).

90436542983 is a wasteful number, since it uses less digits than its factorization.

90436542983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144177.

The product of its (nonzero) digits is 5598720, while the sum is 53.

The spelling of 90436542983 in words is "ninety billion, four hundred thirty-six million, five hundred forty-two thousand, nine hundred eighty-three".